🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.77 AU - 0.93 AU

Year: 282 Days

Day: 35.5 Hours

Environment

Temp: 99 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.72 AU - 2.21 AU

Year: 988 Days

Day: 42.1 Hours

Environment

Temp: -67 °C

Axial Tilt: 81.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.46 AU - 3.04 AU

Year: 1641 Days

Day: 40.1 Hours

Environment

Temp: -83 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.94 AU - 4.28 AU

Year: 2999 Days

Day: 16.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.79 AU - 5.83 AU

Year: 3797 Days

Day: 39.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280

Radius: 10.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.22 AU - 7.62 AU

Year: 5854 Days

Day: 8.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,587,810 km

• M1: 135,536 km (0.026 R)
• M2: 490,831 km (0.083 R)
• M3: 858,991 km (0.054 R)
• M4: 1,252,583 km (0.112 R)
• M5: 2,273,588 km (0.106 R)
• M6: 3,905,701 km (0.049 R)
• M7: 5,143,324 km (0.095 R)
• M8: 5,510,288 km (0.099 R)
• M9: 8,269,172 km (0.076 R)
• M10: 11,263,672 km (0.056 R)
• M11: 15,774,048 km (0.05 R)
• M12: 22,178,034 km (0.059 R)
• M13: 23,367,337 km (0.111 R)
• M14: 24,451,622 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.9

Radius: 11.1

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 11.56 AU - 12.08 AU

Year: 14625 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,587,810 km

• M1: 257,757 km (0.105 R)
• M2: 868,416 km (0.11 R)
• M3: 1,304,493 km (0.084 R)
• M4: 3,637,023 km (0.077 R)
• M5: 3,984,539 km (0.101 R)
• M6: 8,722,005 km (0.108 R)
• M7: 12,305,622 km (0.095 R)
• M8: 17,677,382 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.4

Radius: 5.7

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 14.75 AU - 15.67 AU

Year: 21348 Days

Day: 23.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,587,810 km

• M1: 70,909 km (0.097 R)
• M2: 403,615 km (0.117 R)
• M3: 1,335,759 km (0.081 R)
• M4: 2,508,607 km (0.108 R)
• M5: 5,397,192 km (0.069 R)
• M6: 5,695,789 km (0.051 R)
• M7: 7,493,357 km (0.111 R)
• M8: 9,370,063 km (0.067 R)
• M9: 15,760,136 km (0.114 R)
• M10: 18,714,843 km (0.094 R)
• M11: 27,508,655 km (0.093 R)
• M12: 28,504,229 km (0.104 R)
• M13: 34,731,539 km (0.093 R)
• M14: 35,763,465 km (0.038 R)
• M15: 44,013,938 km (0.112 R)
• M16: 44,615,321 km (0.094 R)
• M17: 45,834,244 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752

Radius: 4.6

Gravity: 35.54 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 12.82 AU - 19.68 AU

Year: 23575 Days

Day: 24 Hours

Environment

Temp: -201 °C

Axial Tilt: 136.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,587,810 km

• M1: 57,296 km (0.109 R)
• M2: 364,570 km (0.093 R)
• M3: 1,392,307 km (0.094 R)
• M4: 2,516,386 km (0.102 R)
• M5: 2,792,992 km (0.105 R)
• M6: 6,313,329 km (0.115 R)
• M7: 6,824,056 km (0.085 R)
• M8: 9,261,455 km (0.109 R)
• M9: 10,355,165 km (0.052 R)
• M10: 13,311,069 km (0.057 R)
• M11: 19,827,403 km (0.103 R)
• M12: 20,417,566 km (0.055 R)
• M13: 21,943,913 km (0.114 R)
• M14: 32,591,841 km (0.091 R)
• M15: 35,670,715 km (0.101 R)
• M16: 37,578,237 km (0.074 R)
• M17: 38,329,518 km (0.107 R)
• M18: 41,435,469 km (0.045 R)
• M19: 46,059,539 km (0.096 R)
• M20: 46,574,604 km (0.104 R)
• M21: 48,318,766 km (0.105 R)
• M22: 49,925,447 km (0.115 R)
• M23: 53,244,725 km (0.1 R)
• M24: 65,800,474 km (0.049 R)
• M25: 67,110,951 km (0.108 R)
• M26: 68,885,182 km (0.065 R)
• M27: 70,009,859 km (0.092 R)
• M28: 76,294,914 km (0.089 R)
• M29: 77,740,927 km (0.107 R)
• M30: 79,944,055 km (0.066 R)
• M31: 87,587,758 km (0.047 R)

Kuiper Belt

Range: 30.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 17,587 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit